ppc: remove video.x

Only Mac-on-Linux stuff used video.x, OpenBIOS does not need it.

Remove video.x MoL hacks.
Signed-off-by: NAlexander Graf <agraf@suse.de>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>

Makefile

@@ -176,7 +176,7 @@ common  de-ch  es     fo  fr-ca  hu     ja  mk  nl-be      pt  sl     tr
 
 ifdef INSTALL_BLOBS
 BLOBS=bios.bin vgabios.bin vgabios-cirrus.bin ppc_rom.bin \
-video.x openbios-sparc32 openbios-sparc64 openbios-ppc \
+openbios-sparc32 openbios-sparc64 openbios-ppc \
 gpxe-eepro100-80861209.rom \
 gpxe-eepro100-80861229.rom \
 pxe-e1000.bin \
@@ -323,7 +323,6 @@ tarbin:
 	$(datadir)/vgabios.bin \
 	$(datadir)/vgabios-cirrus.bin \
 	$(datadir)/ppc_rom.bin \
-	$(datadir)/video.x \
 	$(datadir)/openbios-sparc32 \
 	$(datadir)/openbios-sparc64 \
 	$(datadir)/openbios-ppc \

configure

@@ -3084,7 +3084,7 @@ if test "$source_path_used" = "yes" ; then
     FILES="Makefile tests/Makefile"
     FILES="$FILES tests/cris/Makefile tests/cris/.gdbinit"
     FILES="$FILES tests/test-mmap.c"
-    FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps pc-bios/video.x"
+    FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
     FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
     for bios_file in $source_path/pc-bios/*.bin $source_path/pc-bios/*.dtb $source_path/pc-bios/openbios-*; do
         FILES="$FILES pc-bios/`basename $bios_file`"

hw/ppc_mac.h

@@ -30,7 +30,6 @@
 
 #define BIOS_SIZE     (1024 * 1024)
 #define BIOS_FILENAME "ppc_rom.bin"
-#define VGABIOS_FILENAME "video.x"
 #define NVRAM_SIZE        0x2000
 #define PROM_FILENAME    "openbios-ppc"
 #define PROM_ADDR         0xfff00000

hw/ppc_newworld.c

@@ -69,7 +69,6 @@
 #include "blockdev.h"
 
 #define MAX_IDE_BUS 2
-#define VGA_BIOS_SIZE 65536
 #define CFG_ADDR 0xf0000510
 
 /* debug UniNorth */
@@ -134,20 +133,19 @@ static void ppc_core99_init (ram_addr_t ram_size,
     qemu_irq *pic, **openpic_irqs;
     int unin_memory;
     int linux_boot, i;
-    ram_addr_t ram_offset, bios_offset, vga_bios_offset;
+    ram_addr_t ram_offset, bios_offset;
     uint32_t kernel_base, initrd_base;
     long kernel_size, initrd_size;
     PCIBus *pci_bus;
     MacIONVRAMState *nvr;
     int nvram_mem_index;
-    int vga_bios_size, bios_size;
+    int bios_size;
     int pic_mem_index, dbdma_mem_index, cuda_mem_index, escc_mem_index;
     int ide_mem_index[3];
     int ppc_boot_device;
     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
     void *fw_cfg;
     void *dbdma;
-    uint8_t *vga_bios_ptr;
     int machine_arch;
 
     linux_boot = (kernel_filename != NULL);
@@ -167,9 +165,6 @@ static void ppc_core99_init (ram_addr_t ram_size,
         }
         /* Set time-base frequency to 100 Mhz */
         cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
-#if 0
-        env->osi_call = vga_osi_call;
-#endif
         qemu_register_reset((QEMUResetHandler*)&cpu_reset, env);
         envs[i] = env;
     }
@@ -199,36 +194,6 @@ static void ppc_core99_init (ram_addr_t ram_size,
         exit(1);
     }
 
-    /* allocate and load VGA BIOS */
-    vga_bios_offset = qemu_ram_alloc(NULL, "ppc_core99.vbios", VGA_BIOS_SIZE);
-    vga_bios_ptr = qemu_get_ram_ptr(vga_bios_offset);
-    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, VGABIOS_FILENAME);
-    if (filename) {
-        vga_bios_size = load_image(filename, vga_bios_ptr + 8);
-        qemu_free(filename);
-    } else {
-        vga_bios_size = -1;
-    }
-    if (vga_bios_size < 0) {
-        /* if no bios is present, we can still work */
-        fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n",
-                VGABIOS_FILENAME);
-        vga_bios_size = 0;
-    } else {
-        /* set a specific header (XXX: find real Apple format for NDRV
-           drivers) */
-        vga_bios_ptr[0] = 'N';
-        vga_bios_ptr[1] = 'D';
-        vga_bios_ptr[2] = 'R';
-        vga_bios_ptr[3] = 'V';
-        cpu_to_be32w((uint32_t *)(vga_bios_ptr + 4), vga_bios_size);
-        vga_bios_size += 8;
-
-        /* Round to page boundary */
-        vga_bios_size = (vga_bios_size + TARGET_PAGE_SIZE - 1) &
-            TARGET_PAGE_MASK;
-    }
-
     if (linux_boot) {
         uint64_t lowaddr = 0;
         int bswap_needed;
@@ -352,7 +317,7 @@ static void ppc_core99_init (ram_addr_t ram_size,
         machine_arch = ARCH_MAC99;
     }
     /* init basic PC hardware */
-    pci_vga_init(pci_bus, vga_bios_offset, vga_bios_size);
+    pci_vga_init(pci_bus, 0, 0);
 
     escc_mem_index = escc_init(0x80013000, pic[0x25], pic[0x24],
                                serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);

hw/ppc_oldworld.c

+
 /*
  * QEMU OldWorld PowerMac (currently ~G3 Beige) hardware System Emulator
  *
@@ -44,79 +45,8 @@
 #include "blockdev.h"
 
 #define MAX_IDE_BUS 2
-#define VGA_BIOS_SIZE 65536
 #define CFG_ADDR 0xf0000510
 
-/* temporary frame buffer OSI calls for the video.x driver. The right
-   solution is to modify the driver to use VGA PCI I/Os */
-/* XXX: to be removed. This is no way related to emulation */
-static int vga_osi_call (CPUState *env)
-{
-    static int vga_vbl_enabled;
-    int linesize;
-
-#if 0
-    printf("osi_call R5=%016" PRIx64 "\n", ppc_dump_gpr(env, 5));
-#endif
-
-    /* same handler as PearPC, coming from the original MOL video
-       driver. */
-    switch(env->gpr[5]) {
-    case 4:
-        break;
-    case 28: /* set_vmode */
-        if (env->gpr[6] != 1 || env->gpr[7] != 0)
-            env->gpr[3] = 1;
-        else
-            env->gpr[3] = 0;
-        break;
-    case 29: /* get_vmode_info */
-        if (env->gpr[6] != 0) {
-            if (env->gpr[6] != 1 || env->gpr[7] != 0) {
-                env->gpr[3] = 1;
-                break;
-            }
-        }
-        env->gpr[3] = 0;
-        env->gpr[4] = (1 << 16) | 1; /* num_vmodes, cur_vmode */
-        env->gpr[5] = (1 << 16) | 0; /* num_depths, cur_depth_mode */
-        env->gpr[6] = (graphic_width << 16) | graphic_height; /* w, h */
-        env->gpr[7] = 85 << 16; /* refresh rate */
-        env->gpr[8] = (graphic_depth + 7) & ~7; /* depth (round to byte) */
-        linesize = ((graphic_depth + 7) >> 3) * graphic_width;
-        linesize = (linesize + 3) & ~3;
-        env->gpr[9] = (linesize << 16) | 0; /* row_bytes, offset */
-        break;
-    case 31: /* set_video power */
-        env->gpr[3] = 0;
-        break;
-    case 39: /* video_ctrl */
-        if (env->gpr[6] == 0 || env->gpr[6] == 1)
-            vga_vbl_enabled = env->gpr[6];
-        env->gpr[3] = 0;
-        break;
-    case 47:
-        break;
-    case 59: /* set_color */
-        /* R6 = index, R7 = RGB */
-        env->gpr[3] = 0;
-        break;
-    case 64: /* get color */
-        /* R6 = index */
-        env->gpr[3] = 0;
-        break;
-    case 116: /* set hwcursor */
-        /* R6 = x, R7 = y, R8 = visible, R9 = data */
-        break;
-    default:
-        fprintf(stderr, "unsupported OSI call R5=%016" PRIx64 "\n",
-                ppc_dump_gpr(env, 5));
-        break;
-    }
-
-    return 1; /* osi_call handled */
-}
-
 static int fw_cfg_boot_set(void *opaque, const char *boot_device)
 {
     fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
@@ -140,19 +70,18 @@ static void ppc_heathrow_init (ram_addr_t ram_size,
     char *filename;
     qemu_irq *pic, **heathrow_irqs;
     int linux_boot, i;
-    ram_addr_t ram_offset, bios_offset, vga_bios_offset;
+    ram_addr_t ram_offset, bios_offset;
     uint32_t kernel_base, initrd_base;
     int32_t kernel_size, initrd_size;
     PCIBus *pci_bus;
     MacIONVRAMState *nvr;
-    int vga_bios_size, bios_size;
+    int bios_size;
     int pic_mem_index, nvram_mem_index, dbdma_mem_index, cuda_mem_index;
     int escc_mem_index, ide_mem_index[2];
     uint16_t ppc_boot_device;
     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
     void *fw_cfg;
     void *dbdma;
-    uint8_t *vga_bios_ptr;
 
     linux_boot = (kernel_filename != NULL);
 
@@ -167,7 +96,6 @@ static void ppc_heathrow_init (ram_addr_t ram_size,
         }
         /* Set time-base frequency to 16.6 Mhz */
         cpu_ppc_tb_init(env,  16600000UL);
-        env->osi_call = vga_osi_call;
         qemu_register_reset((QEMUResetHandler*)&cpu_reset, env);
         envs[i] = env;
     }
@@ -203,36 +131,6 @@ static void ppc_heathrow_init (ram_addr_t ram_size,
         exit(1);
     }
 
-    /* allocate and load VGA BIOS */
-    vga_bios_offset = qemu_ram_alloc(NULL, "ppc_heathrow.vbios", VGA_BIOS_SIZE);
-    vga_bios_ptr = qemu_get_ram_ptr(vga_bios_offset);
-    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, VGABIOS_FILENAME);
-    if (filename) {
-        vga_bios_size = load_image(filename, vga_bios_ptr + 8);
-        qemu_free(filename);
-    } else {
-        vga_bios_size = -1;
-    }
-    if (vga_bios_size < 0) {
-        /* if no bios is present, we can still work */
-        fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n",
-                VGABIOS_FILENAME);
-        vga_bios_size = 0;
-    } else {
-        /* set a specific header (XXX: find real Apple format for NDRV
-           drivers) */
-        vga_bios_ptr[0] = 'N';
-        vga_bios_ptr[1] = 'D';
-        vga_bios_ptr[2] = 'R';
-        vga_bios_ptr[3] = 'V';
-        cpu_to_be32w((uint32_t *)(vga_bios_ptr + 4), vga_bios_size);
-        vga_bios_size += 8;
-
-        /* Round to page boundary */
-        vga_bios_size = (vga_bios_size + TARGET_PAGE_SIZE - 1) &
-            TARGET_PAGE_MASK;
-    }
-
     if (linux_boot) {
         uint64_t lowaddr = 0;
         int bswap_needed;
@@ -330,7 +228,7 @@ static void ppc_heathrow_init (ram_addr_t ram_size,
     }
     pic = heathrow_pic_init(&pic_mem_index, 1, heathrow_irqs);
     pci_bus = pci_grackle_init(0xfec00000, pic);
-    pci_vga_init(pci_bus, vga_bios_offset, vga_bios_size);
+    pci_vga_init(pci_bus, 0, 0);
 
     escc_mem_index = escc_init(0x80013000, pic[0x0f], pic[0x10], serial_hds[0],
                                serial_hds[1], ESCC_CLOCK, 4);

pc-bios/README

@@ -7,10 +7,6 @@
 - The PowerPC Open Hack'Ware Open Firmware Compatible BIOS is
   available at http://perso.magic.fr/l_indien/OpenHackWare/index.htm.
 
-- video.x is a PowerMac NDRV compatible driver for a VGA frame
-  buffer. It comes from the Mac-on-Linux project
-  (http://www.maconlinux.org/).
-
 - OpenBIOS (http://www.openbios.org/) is a free (GPL v2) portable
   firmware implementation. The goal is to implement a 100% IEEE
   1275-1994 (referred to as Open Firmware) compliant firmware.

target-ppc/cpu.h

@@ -700,9 +700,6 @@ struct CPUPPCState {
     int power_mode;
     int (*check_pow)(CPUPPCState *env);
 
-    /* temporary hack to handle OSI calls (only used if non NULL) */
-    int (*osi_call)(struct CPUPPCState *env);
-
 #if !defined(CONFIG_USER_ONLY)
     void *load_info;    /* Holds boot loading state.  */
 #endif

target-ppc/helper.c

@@ -2226,17 +2226,6 @@ static inline void powerpc_excp(CPUState *env, int excp_model, int excp)
             new_msr |= (target_ulong)MSR_HVB;
         goto store_current;
     case POWERPC_EXCP_SYSCALL:   /* System call exception                    */
-        /* NOTE: this is a temporary hack to support graphics OSI
-           calls from the MOL driver */
-        /* XXX: To be removed */
-        if (env->gpr[3] == 0x113724fa && env->gpr[4] == 0x77810f9b &&
-            env->osi_call) {
-            if (env->osi_call(env) != 0) {
-                env->exception_index = POWERPC_EXCP_NONE;
-                env->error_code = 0;
-                return;
-            }
-        }
         dump_syscall(env);
         lev = env->error_code;
         if (lev == 1 || (lpes0 == 0 && lpes1 == 0))